Hopefully it'll continue in a cycle, meaning that happiness will return eventually.

SPOILERS IF YOu HaVENT WATCH VOlUME 5 chapter 11 I am so triggered after that episode you can't just kill Weiss when nothing emotional is happening to that character also SHE IS THE MaIN CHaRACTER And everything was just wayyy too fast and too much is happening around them and it was just so AHKKKikkKiKkhUyUJtTy